#div1{
    width: 20%;
    height: 200px;
    border: 3px
    solid blue;
    display: inline; /*行内元素，宽高没有用，不独占一行 */
}
.div-green{
    width: 20%;
    height: 200px;
    background-color: aquamarine;
    border: 3px solid black;
    color: blue;
    font-size: 30px;
    display: inline-block;
}
p{
    color: red;
    font-size: 30px;
    font-family: 楷体;
    line-height: 30px; /*行高*/

}
a{
    text-decoration: none;
    color: blueviolet;
    
}
